Who owns the CTK trademark?

The CTK trademark is owned by CTK Management, LLC.

What class is the CTK trademark registered in?

The CTK trademark is registered in Class 041 (Education & entertainment services).

What is the serial number for CTK?

The USPTO serial number for CTK is 88581879.

What is the registration number for CTK?

CTK is registered under USPTO registration number 6348971.

Sealvo

Home Search: CTKCTK #88581879

Back

Updated Sep 17, 2026·9 searches this week

View on USPTO TSDR Find similar marks

CTK

USPTO Trademark Record

REGISTERED

CTK

SN 88581879·Reg 6348971·Filed Aug 16, 2019

Owner CTK Management, LLC

Education; providing of training; entertainment; sporting and cultural activities.

CTK (Serial No. 88581879), Registration No. 6348971, is a registered US trademark filed on Aug 16, 2019 by CTK Management, LLC. This trademark covers Class 041 (Education & entertainment services).

Section 8/9 declaration window: May 12, 2031

Conflict Analysis

Full conflict analysis for CTK (SN 88581879) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

CTK (Reg. #6348971) is a registered US trademark that has been protecting its owner, CTK Management, LLC, since 2019. The mark covers Class 041 (Education & entertainment services). Goods and services include Education; providing of training; entertainment; sporting and cultural activities.. The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 16, 2019

SERIAL

88581879

REG#

6348971

REGISTERED

May 11, 2021

Filing Information

StatusREGISTERED

Filing DateAug 16, 2019

Serial Number88581879

Registration No.6348971

Registration DateMay 11, 2021

Status DateMay 11, 2021

Published for OppositionJun 23, 2020

Filing Basis & Declarations

Use Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Dec 31, 2011

First use in commerce: Dec 31, 2011

Education; providing of training; entertainment; sporting and cultural activities.

This description is as filed with the USPTO and defines the scope of trademark protection.

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

26 events

TEAS SECTION 8 & 15 RECEIVED

Jun 03, 2026

TEAS SECTION 8 & 15 RECEIVED

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

May 11, 2026

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

REGISTERED-PRINCIPAL REGISTER

May 11, 2021

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Apr 08, 2021

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Apr 07, 2021

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Mar 05, 2021

CASE ASSIGNED TO INTENT TO USE PARALEGAL

STATEMENT OF USE PROCESSING COMPLETE

Mar 05, 2021

STATEMENT OF USE PROCESSING COMPLETE

USE AMENDMENT FILED

Feb 16, 2021

USE AMENDMENT FILED

TEAS STATEMENT OF USE RECEIVED

Feb 16, 2021

TEAS STATEMENT OF USE RECEIVED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Aug 18, 2020

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Jun 23, 2020

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 23, 2020

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 03, 2020

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 15, 2020

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

May 14, 2020

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 13, 2020

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 13, 2020

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Dec 18, 2019

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Dec 18, 2019

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

NON-FINAL ACTION WRITTEN

Nov 19, 2019

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Nov 19, 2019

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Nov 19, 2019

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Nov 16, 2019

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Sep 04, 2019

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 03, 2019

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Aug 20, 2019

NEW APPLICATION ENTERED

Other Marks by CTK Management, LLC

Additional USPTO filings from the same owner.

CTK

CTK ENTERPRISES

88581757

CTK Management, LLC

REGISTERED

CTK

CTK ENTERPRISES

88581810

CTK Management, LLC

REGISTERED

CTK

88581907

CTK Management, LLC

REGISTERED

CTK

88581923

CTK Management, LLC

REGISTERED

Other Marks in Class 041 — Education & entertainment services

Recently filed and registered marks in the same international class.

CTK

CTK ENTERPRISES

88581757

CTK Management, LLC

REGISTERED

CTK

CTK STUDIOS

88581755

CTK Management, LLC

ABANDONED

CTK

CTK PRODUCTIONS

88581808

CTK Management, LLC

ABANDONED

CTK

CTK RECORDS

88581932

CTK Management, LLC

ABANDONED

Other Marks by Bess Morgan

Additional USPTO filings handled by the same attorney of record.

PRA

PRAYERSONG

99614413

REGISTERED

PRA

PRAYERSONG

99614468

REGISTERED

PRO

PROTOCOL

88316610

REGISTERED

H&I

86418704

REGISTERED

CTK

Run a conflict check

Other Marks by CTK Management, LLC

Other Marks in Class 041 — Education & entertainment services

Other Marks by Bess Morgan

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company